1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
4 Contributed by Aldy Hernandez <aldyh@redhat.com>
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
25 #include "pointer-set.h"
31 #include "hard-reg-set.h"
32 #include "basic-block.h"
33 #include "tree-ssa-operands.h"
34 #include "tree-ssa-alias.h"
36 struct gimple_seq_node_d;
37 typedef struct gimple_seq_node_d *gimple_seq_node;
38 typedef const struct gimple_seq_node_d *const_gimple_seq_node;
40 /* For each block, the PHI nodes that need to be rewritten are stored into
42 typedef VEC(gimple, heap) *gimple_vec;
43 DEF_VEC_P (gimple_vec);
44 DEF_VEC_ALLOC_P (gimple_vec, heap);
47 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
50 LAST_AND_UNUSED_GIMPLE_CODE
53 extern const char *const gimple_code_name[];
54 extern const unsigned char gimple_rhs_class_table[];
56 /* Error out if a gimple tuple is addressed incorrectly. */
57 #if defined ENABLE_GIMPLE_CHECKING
58 #define gcc_gimple_checking_assert(EXPR) gcc_assert (EXPR)
59 extern void gimple_check_failed (const_gimple, const char *, int, \
60 const char *, enum gimple_code, \
61 enum tree_code) ATTRIBUTE_NORETURN;
63 #define GIMPLE_CHECK(GS, CODE) \
65 const_gimple __gs = (GS); \
66 if (gimple_code (__gs) != (CODE)) \
67 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
68 (CODE), ERROR_MARK); \
70 #else /* not ENABLE_GIMPLE_CHECKING */
71 #define gcc_gimple_checking_assert(EXPR) ((void)(0 && (EXPR)))
72 #define GIMPLE_CHECK(GS, CODE) (void)0
75 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
76 get_gimple_rhs_class. */
79 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
80 GIMPLE_TERNARY_RHS, /* The expression is a ternary operation. */
81 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
82 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
83 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
84 name, a _DECL, a _REF, etc. */
87 /* Specific flags for individual GIMPLE statements. These flags are
88 always stored in gimple_statement_base.subcode and they may only be
89 defined for statement codes that do not use sub-codes.
91 Values for the masks can overlap as long as the overlapping values
92 are never used in the same statement class.
94 The maximum mask value that can be defined is 1 << 15 (i.e., each
95 statement code can hold up to 16 bitflags).
97 Keep this list sorted. */
99 GF_ASM_INPUT = 1 << 0,
100 GF_ASM_VOLATILE = 1 << 1,
101 GF_CALL_CANNOT_INLINE = 1 << 0,
102 GF_CALL_FROM_THUNK = 1 << 1,
103 GF_CALL_RETURN_SLOT_OPT = 1 << 2,
104 GF_CALL_TAILCALL = 1 << 3,
105 GF_CALL_VA_ARG_PACK = 1 << 4,
106 GF_CALL_NOTHROW = 1 << 5,
107 GF_OMP_PARALLEL_COMBINED = 1 << 0,
109 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
110 a thread synchronization via some sort of barrier. The exact barrier
111 that would otherwise be emitted is dependent on the OMP statement with
112 which this return is associated. */
113 GF_OMP_RETURN_NOWAIT = 1 << 0,
115 GF_OMP_SECTION_LAST = 1 << 0,
116 GF_PREDICT_TAKEN = 1 << 15
119 /* Currently, there's only one type of gimple debug stmt. Others are
120 envisioned, for example, to enable the generation of is_stmt notes
121 in line number information, to mark sequence points, etc. This
122 subcode is to be used to tell them apart. */
123 enum gimple_debug_subcode {
124 GIMPLE_DEBUG_BIND = 0
127 /* Masks for selecting a pass local flag (PLF) to work on. These
128 masks are used by gimple_set_plf and gimple_plf. */
134 /* A node in a gimple_seq_d. */
135 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
137 struct gimple_seq_node_d *prev;
138 struct gimple_seq_node_d *next;
141 /* A double-linked sequence of gimple statements. */
142 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
143 /* First and last statements in the sequence. */
144 gimple_seq_node first;
145 gimple_seq_node last;
147 /* Sequences are created/destroyed frequently. To minimize
148 allocation activity, deallocated sequences are kept in a pool of
149 available sequences. This is the pointer to the next free
150 sequence in the pool. */
151 gimple_seq next_free;
155 /* Return the first node in GIMPLE sequence S. */
157 static inline gimple_seq_node
158 gimple_seq_first (const_gimple_seq s)
160 return s ? s->first : NULL;
164 /* Return the first statement in GIMPLE sequence S. */
167 gimple_seq_first_stmt (const_gimple_seq s)
169 gimple_seq_node n = gimple_seq_first (s);
170 return (n) ? n->stmt : NULL;
174 /* Return the last node in GIMPLE sequence S. */
176 static inline gimple_seq_node
177 gimple_seq_last (const_gimple_seq s)
179 return s ? s->last : NULL;
183 /* Return the last statement in GIMPLE sequence S. */
186 gimple_seq_last_stmt (const_gimple_seq s)
188 gimple_seq_node n = gimple_seq_last (s);
189 return (n) ? n->stmt : NULL;
193 /* Set the last node in GIMPLE sequence S to LAST. */
196 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
202 /* Set the first node in GIMPLE sequence S to FIRST. */
205 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
211 /* Return true if GIMPLE sequence S is empty. */
214 gimple_seq_empty_p (const_gimple_seq s)
216 return s == NULL || s->first == NULL;
220 void gimple_seq_add_stmt (gimple_seq *, gimple);
222 /* Link gimple statement GS to the end of the sequence *SEQ_P. If
223 *SEQ_P is NULL, a new sequence is allocated. This function is
224 similar to gimple_seq_add_stmt, but does not scan the operands.
225 During gimplification, we need to manipulate statement sequences
226 before the def/use vectors have been constructed. */
227 void gimplify_seq_add_stmt (gimple_seq *, gimple);
229 /* Allocate a new sequence and initialize its first element with STMT. */
231 static inline gimple_seq
232 gimple_seq_alloc_with_stmt (gimple stmt)
234 gimple_seq seq = NULL;
235 gimple_seq_add_stmt (&seq, stmt);
240 /* Returns the sequence of statements in BB. */
242 static inline gimple_seq
243 bb_seq (const_basic_block bb)
245 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
249 /* Sets the sequence of statements in BB to SEQ. */
252 set_bb_seq (basic_block bb, gimple_seq seq)
254 gcc_checking_assert (!(bb->flags & BB_RTL));
255 bb->il.gimple->seq = seq;
258 /* Iterator object for GIMPLE statement sequences. */
262 /* Sequence node holding the current statement. */
265 /* Sequence and basic block holding the statement. These fields
266 are necessary to handle edge cases such as when statement is
267 added to an empty basic block or when the last statement of a
268 block/sequence is removed. */
271 } gimple_stmt_iterator;
274 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
275 are for 64 bit hosts. */
277 struct GTY(()) gimple_statement_base {
279 Main identifying code for a tuple. */
280 ENUM_BITFIELD(gimple_code) code : 8;
282 /* Nonzero if a warning should not be emitted on this tuple. */
283 unsigned int no_warning : 1;
285 /* Nonzero if this tuple has been visited. Passes are responsible
286 for clearing this bit before using it. */
287 unsigned int visited : 1;
289 /* Nonzero if this tuple represents a non-temporal move. */
290 unsigned int nontemporal_move : 1;
292 /* Pass local flags. These flags are free for any pass to use as
293 they see fit. Passes should not assume that these flags contain
294 any useful value when the pass starts. Any initial state that
295 the pass requires should be set on entry to the pass. See
296 gimple_set_plf and gimple_plf for usage. */
297 unsigned int plf : 2;
299 /* Nonzero if this statement has been modified and needs to have its
300 operands rescanned. */
301 unsigned modified : 1;
303 /* Nonzero if this statement contains volatile operands. */
304 unsigned has_volatile_ops : 1;
306 /* Padding to get subcode to 16 bit alignment. */
309 /* The SUBCODE field can be used for tuple-specific flags for tuples
310 that do not require subcodes. Note that SUBCODE should be at
311 least as wide as tree codes, as several tuples store tree codes
313 unsigned int subcode : 16;
315 /* UID of this statement. This is used by passes that want to
316 assign IDs to statements. It must be assigned and used by each
317 pass. By default it should be assumed to contain garbage. */
321 Locus information for debug info. */
324 /* Number of operands in this tuple. */
328 Basic block holding this statement. */
329 struct basic_block_def *bb;
332 Lexical block holding this statement. */
337 /* Base structure for tuples with operands. */
339 struct GTY(()) gimple_statement_with_ops_base
342 struct gimple_statement_base gsbase;
345 SSA operand vectors. NOTE: It should be possible to
346 amalgamate these vectors with the operand vector OP. However,
347 the SSA operand vectors are organized differently and contain
348 more information (like immediate use chaining). */
349 struct def_optype_d GTY((skip (""))) *def_ops;
350 struct use_optype_d GTY((skip (""))) *use_ops;
354 /* Statements that take register operands. */
356 struct GTY(()) gimple_statement_with_ops
359 struct gimple_statement_with_ops_base opbase;
362 Operand vector. NOTE! This must always be the last field
363 of this structure. In particular, this means that this
364 structure cannot be embedded inside another one. */
365 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
369 /* Base for statements that take both memory and register operands. */
371 struct GTY(()) gimple_statement_with_memory_ops_base
374 struct gimple_statement_with_ops_base opbase;
377 Virtual operands for this statement. The GC will pick them
378 up via the ssa_names array. */
379 tree GTY((skip (""))) vdef;
380 tree GTY((skip (""))) vuse;
384 /* Statements that take both memory and register operands. */
386 struct GTY(()) gimple_statement_with_memory_ops
389 struct gimple_statement_with_memory_ops_base membase;
392 Operand vector. NOTE! This must always be the last field
393 of this structure. In particular, this means that this
394 structure cannot be embedded inside another one. */
395 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
399 /* Call statements that take both memory and register operands. */
401 struct GTY(()) gimple_statement_call
404 struct gimple_statement_with_memory_ops_base membase;
407 struct pt_solution call_used;
408 struct pt_solution call_clobbered;
411 Operand vector. NOTE! This must always be the last field
412 of this structure. In particular, this means that this
413 structure cannot be embedded inside another one. */
414 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
418 /* OpenMP statements (#pragma omp). */
420 struct GTY(()) gimple_statement_omp {
422 struct gimple_statement_base gsbase;
431 struct GTY(()) gimple_statement_bind {
433 struct gimple_statement_base gsbase;
436 Variables declared in this scope. */
440 This is different than the BLOCK field in gimple_statement_base,
441 which is analogous to TREE_BLOCK (i.e., the lexical block holding
442 this statement). This field is the equivalent of BIND_EXPR_BLOCK
443 in tree land (i.e., the lexical scope defined by this bind). See
454 struct GTY(()) gimple_statement_catch {
456 struct gimple_statement_base gsbase;
466 /* GIMPLE_EH_FILTER */
468 struct GTY(()) gimple_statement_eh_filter {
470 struct gimple_statement_base gsbase;
482 /* GIMPLE_EH_MUST_NOT_THROW */
484 struct GTY(()) gimple_statement_eh_mnt {
486 struct gimple_statement_base gsbase;
488 /* [ WORD 5 ] Abort function decl. */
494 struct GTY(()) gimple_statement_phi {
496 struct gimple_statement_base gsbase;
506 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
510 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
512 struct GTY(()) gimple_statement_eh_ctrl
515 struct gimple_statement_base gsbase;
518 Exception region number. */
525 struct GTY(()) gimple_statement_try {
527 struct gimple_statement_base gsbase;
530 Expression to evaluate. */
534 Cleanup expression. */
538 /* Kind of GIMPLE_TRY statements. */
539 enum gimple_try_flags
542 GIMPLE_TRY_CATCH = 1 << 0,
545 GIMPLE_TRY_FINALLY = 1 << 1,
546 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
548 /* Analogous to TRY_CATCH_IS_CLEANUP. */
549 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
552 /* GIMPLE_WITH_CLEANUP_EXPR */
554 struct GTY(()) gimple_statement_wce {
556 struct gimple_statement_base gsbase;
558 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
559 executed if an exception is thrown, not on normal exit of its
560 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
564 Cleanup expression. */
571 struct GTY(()) gimple_statement_asm
574 struct gimple_statement_with_memory_ops_base membase;
577 __asm__ statement. */
581 Number of inputs, outputs, clobbers, labels. */
588 Operand vector. NOTE! This must always be the last field
589 of this structure. In particular, this means that this
590 structure cannot be embedded inside another one. */
591 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
594 /* GIMPLE_OMP_CRITICAL */
596 struct GTY(()) gimple_statement_omp_critical {
598 struct gimple_statement_omp omp;
601 Critical section name. */
606 struct GTY(()) gimple_omp_for_iter {
607 /* Condition code. */
610 /* Index variable. */
625 struct GTY(()) gimple_statement_omp_for {
627 struct gimple_statement_omp omp;
633 Number of elements in iter array. */
637 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
640 Pre-body evaluated before the loop body begins. */
645 /* GIMPLE_OMP_PARALLEL */
647 struct GTY(()) gimple_statement_omp_parallel {
649 struct gimple_statement_omp omp;
656 Child function holding the body of the parallel region. */
660 Shared data argument. */
665 /* GIMPLE_OMP_TASK */
667 struct GTY(()) gimple_statement_omp_task {
669 struct gimple_statement_omp_parallel par;
672 Child function holding firstprivate initialization if needed. */
676 Size and alignment in bytes of the argument data block. */
682 /* GIMPLE_OMP_SECTION */
683 /* Uses struct gimple_statement_omp. */
686 /* GIMPLE_OMP_SECTIONS */
688 struct GTY(()) gimple_statement_omp_sections {
690 struct gimple_statement_omp omp;
696 The control variable used for deciding which of the sections to
701 /* GIMPLE_OMP_CONTINUE.
703 Note: This does not inherit from gimple_statement_omp, because we
704 do not need the body field. */
706 struct GTY(()) gimple_statement_omp_continue {
708 struct gimple_statement_base gsbase;
717 /* GIMPLE_OMP_SINGLE */
719 struct GTY(()) gimple_statement_omp_single {
721 struct gimple_statement_omp omp;
728 /* GIMPLE_OMP_ATOMIC_LOAD.
729 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
730 contains a sequence, which we don't need here. */
732 struct GTY(()) gimple_statement_omp_atomic_load {
734 struct gimple_statement_base gsbase;
740 /* GIMPLE_OMP_ATOMIC_STORE.
741 See note on GIMPLE_OMP_ATOMIC_LOAD. */
743 struct GTY(()) gimple_statement_omp_atomic_store {
745 struct gimple_statement_base gsbase;
751 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
752 enum gimple_statement_structure_enum {
753 #include "gsstruct.def"
759 /* Define the overall contents of a gimple tuple. It may be any of the
760 structures declared above for various types of tuples. */
762 union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d {
763 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
764 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
765 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
766 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
767 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
768 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
769 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
770 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
771 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
772 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
773 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
774 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
775 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
776 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
777 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
778 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
779 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
780 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
781 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
782 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
783 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
784 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
785 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
786 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
791 /* Offset in bytes to the location of the operand vector.
792 Zero if there is no operand vector for this tuple structure. */
793 extern size_t const gimple_ops_offset_[];
795 /* Map GIMPLE codes to GSS codes. */
796 extern enum gimple_statement_structure_enum const gss_for_code_[];
798 /* This variable holds the currently expanded gimple statement for purposes
799 of comminucating the profile info to the builtin expanders. */
800 extern gimple currently_expanding_gimple_stmt;
802 gimple gimple_build_return (tree);
804 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
805 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
807 void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, tree *, tree *);
809 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
810 tree, tree MEM_STAT_DECL);
811 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
812 gimple_build_assign_with_ops_stat (c, o1, o2, o3, NULL_TREE MEM_STAT_INFO)
813 #define gimple_build_assign_with_ops3(c,o1,o2,o3,o4) \
814 gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO)
816 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
817 #define gimple_build_debug_bind(var,val,stmt) \
818 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
820 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
821 gimple gimple_build_call (tree, unsigned, ...);
822 gimple gimple_build_call_from_tree (tree);
823 gimple gimplify_assign (tree, tree, gimple_seq *);
824 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
825 gimple gimple_build_label (tree label);
826 gimple gimple_build_goto (tree dest);
827 gimple gimple_build_nop (void);
828 gimple gimple_build_bind (tree, gimple_seq, tree);
829 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
830 VEC(tree,gc) *, VEC(tree,gc) *);
831 gimple gimple_build_catch (tree, gimple_seq);
832 gimple gimple_build_eh_filter (tree, gimple_seq);
833 gimple gimple_build_eh_must_not_throw (tree);
834 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
835 gimple gimple_build_wce (gimple_seq);
836 gimple gimple_build_resx (int);
837 gimple gimple_build_eh_dispatch (int);
838 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
839 gimple gimple_build_switch (unsigned, tree, tree, ...);
840 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
841 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
842 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
843 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
844 gimple gimple_build_omp_critical (gimple_seq, tree);
845 gimple gimple_build_omp_section (gimple_seq);
846 gimple gimple_build_omp_continue (tree, tree);
847 gimple gimple_build_omp_master (gimple_seq);
848 gimple gimple_build_omp_return (bool);
849 gimple gimple_build_omp_ordered (gimple_seq);
850 gimple gimple_build_omp_sections (gimple_seq, tree);
851 gimple gimple_build_omp_sections_switch (void);
852 gimple gimple_build_omp_single (gimple_seq, tree);
853 gimple gimple_build_cdt (tree, tree);
854 gimple gimple_build_omp_atomic_load (tree, tree);
855 gimple gimple_build_omp_atomic_store (tree);
856 gimple gimple_build_predict (enum br_predictor, enum prediction);
857 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
858 void sort_case_labels (VEC(tree,heap) *);
859 void gimple_set_body (tree, gimple_seq);
860 gimple_seq gimple_body (tree);
861 bool gimple_has_body_p (tree);
862 gimple_seq gimple_seq_alloc (void);
863 void gimple_seq_free (gimple_seq);
864 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
865 gimple_seq gimple_seq_copy (gimple_seq);
866 int gimple_call_flags (const_gimple);
867 int gimple_call_return_flags (const_gimple);
868 int gimple_call_arg_flags (const_gimple, unsigned);
869 void gimple_call_reset_alias_info (gimple);
870 bool gimple_assign_copy_p (gimple);
871 bool gimple_assign_ssa_name_copy_p (gimple);
872 bool gimple_assign_unary_nop_p (gimple);
873 void gimple_set_bb (gimple, struct basic_block_def *);
874 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
875 void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code,
877 tree gimple_get_lhs (const_gimple);
878 void gimple_set_lhs (gimple, tree);
879 void gimple_replace_lhs (gimple, tree);
880 gimple gimple_copy (gimple);
881 void gimple_set_modified (gimple, bool);
882 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
883 gimple gimple_build_cond_from_tree (tree, tree, tree);
884 void gimple_cond_set_condition_from_tree (gimple, tree);
885 bool gimple_has_side_effects (const_gimple);
886 bool gimple_rhs_has_side_effects (const_gimple);
887 bool gimple_could_trap_p (gimple);
888 bool gimple_could_trap_p_1 (gimple, bool, bool);
889 bool gimple_assign_rhs_could_trap_p (gimple);
890 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
891 bool empty_body_p (gimple_seq);
892 unsigned get_gimple_rhs_num_ops (enum tree_code);
893 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
894 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
895 const char *gimple_decl_printable_name (tree, int);
896 tree gimple_fold_obj_type_ref (tree, tree);
897 tree gimple_get_relevant_ref_binfo (tree ref, tree known_binfo);
898 tree gimple_fold_obj_type_ref_known_binfo (HOST_WIDE_INT, tree);
900 /* Returns true iff T is a valid GIMPLE statement. */
901 extern bool is_gimple_stmt (tree);
903 /* Returns true iff TYPE is a valid type for a scalar register variable. */
904 extern bool is_gimple_reg_type (tree);
905 /* Returns true iff T is a scalar register variable. */
906 extern bool is_gimple_reg (tree);
907 /* Returns true iff T is any sort of variable. */
908 extern bool is_gimple_variable (tree);
909 /* Returns true iff T is any sort of symbol. */
910 extern bool is_gimple_id (tree);
911 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
912 extern bool is_gimple_min_lval (tree);
913 /* Returns true iff T is something whose address can be taken. */
914 extern bool is_gimple_addressable (tree);
915 /* Returns true iff T is any valid GIMPLE lvalue. */
916 extern bool is_gimple_lvalue (tree);
918 /* Returns true iff T is a GIMPLE address. */
919 bool is_gimple_address (const_tree);
920 /* Returns true iff T is a GIMPLE invariant address. */
921 bool is_gimple_invariant_address (const_tree);
922 /* Returns true iff T is a GIMPLE invariant address at interprocedural
924 bool is_gimple_ip_invariant_address (const_tree);
925 /* Returns true iff T is a valid GIMPLE constant. */
926 bool is_gimple_constant (const_tree);
927 /* Returns true iff T is a GIMPLE restricted function invariant. */
928 extern bool is_gimple_min_invariant (const_tree);
929 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
930 extern bool is_gimple_ip_invariant (const_tree);
931 /* Returns true iff T is a GIMPLE rvalue. */
932 extern bool is_gimple_val (tree);
933 /* Returns true iff T is a GIMPLE asm statement input. */
934 extern bool is_gimple_asm_val (tree);
935 /* Returns true iff T is a valid address operand of a MEM_REF. */
936 bool is_gimple_mem_ref_addr (tree);
937 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
938 GIMPLE temporary, a renamed user variable, or something else,
940 extern bool is_gimple_reg_rhs (tree);
941 extern bool is_gimple_mem_rhs (tree);
943 /* Returns true iff T is a valid if-statement condition. */
944 extern bool is_gimple_condexpr (tree);
946 /* Returns true iff T is a variable that does not need to live in memory. */
947 extern bool is_gimple_non_addressable (tree t);
949 /* Returns true iff T is a valid call address expression. */
950 extern bool is_gimple_call_addr (tree);
951 /* If T makes a function call, returns the CALL_EXPR operand. */
952 extern tree get_call_expr_in (tree t);
954 extern void recalculate_side_effects (tree);
955 extern bool gimple_compare_field_offset (tree, tree);
956 extern tree gimple_register_type (tree);
957 extern tree gimple_register_canonical_type (tree);
958 enum gtc_mode { GTC_MERGE = 0, GTC_DIAG = 1 };
959 extern bool gimple_types_compatible_p (tree, tree, enum gtc_mode);
960 extern void print_gimple_types_stats (void);
961 extern void free_gimple_type_tables (void);
962 extern tree gimple_unsigned_type (tree);
963 extern tree gimple_signed_type (tree);
964 extern alias_set_type gimple_get_alias_set (tree);
965 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
967 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
968 bool (*)(gimple, tree, void *),
969 bool (*)(gimple, tree, void *),
970 bool (*)(gimple, tree, void *));
971 extern bool walk_stmt_load_store_ops (gimple, void *,
972 bool (*)(gimple, tree, void *),
973 bool (*)(gimple, tree, void *));
974 extern bool gimple_ior_addresses_taken (bitmap, gimple);
975 extern bool gimple_call_builtin_p (gimple, enum built_in_function);
978 extern tree create_tmp_var_raw (tree, const char *);
979 extern tree create_tmp_var_name (const char *);
980 extern tree create_tmp_var (tree, const char *);
981 extern tree create_tmp_reg (tree, const char *);
982 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
983 extern tree get_formal_tmp_var (tree, gimple_seq *);
984 extern void declare_vars (tree, gimple, bool);
985 extern void annotate_all_with_location (gimple_seq, location_t);
987 /* Validation of GIMPLE expressions. Note that these predicates only check
988 the basic form of the expression, they don't recurse to make sure that
989 underlying nodes are also of the right form. */
990 typedef bool (*gimple_predicate)(tree);
993 /* FIXME we should deduce this from the predicate. */
995 fb_none = 0, /* Do not generate a temporary. */
997 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
998 gimplified expression. */
1000 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
1001 gimplified expression. */
1003 fb_mayfail = 4, /* Gimplification may fail. Error issued
1005 fb_either= fb_rvalue | fb_lvalue
1008 typedef int fallback_t;
1010 enum gimplify_status {
1011 GS_ERROR = -2, /* Something Bad Seen. */
1012 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
1013 GS_OK = 0, /* We did something, maybe more to do. */
1014 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
1019 struct gimplify_ctx *prev_context;
1021 VEC(gimple,heap) *bind_expr_stack;
1023 gimple_seq conditional_cleanups;
1027 VEC(tree,heap) *case_labels;
1028 /* The formal temporary table. Should this be persistent? */
1034 bool allow_rhs_cond_expr;
1037 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1038 bool (*) (tree), fallback_t);
1039 extern void gimplify_type_sizes (tree, gimple_seq *);
1040 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1041 extern bool gimplify_stmt (tree *, gimple_seq *);
1042 extern gimple gimplify_body (tree *, tree, bool);
1043 extern void push_gimplify_context (struct gimplify_ctx *);
1044 extern void pop_gimplify_context (gimple);
1045 extern void gimplify_and_add (tree, gimple_seq *);
1047 /* Miscellaneous helpers. */
1048 extern void gimple_add_tmp_var (tree);
1049 extern gimple gimple_current_bind_expr (void);
1050 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1051 extern tree voidify_wrapper_expr (tree, tree);
1052 extern tree build_and_jump (tree *);
1053 extern tree force_labels_r (tree *, int *, void *);
1054 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1056 struct gimplify_omp_ctx;
1057 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1058 extern tree gimple_boolify (tree);
1059 extern gimple_predicate rhs_predicate_for (tree);
1060 extern tree canonicalize_cond_expr_cond (tree);
1063 extern tree omp_reduction_init (tree, tree);
1065 /* In tree-nested.c. */
1066 extern void lower_nested_functions (tree);
1067 extern void insert_field_into_struct (tree, tree);
1069 /* In gimplify.c. */
1070 extern void gimplify_function_tree (tree);
1072 /* In cfgexpand.c. */
1073 extern tree gimple_assign_rhs_to_tree (gimple);
1076 extern bool validate_gimple_arglist (const_gimple, ...);
1079 extern bool tree_ssa_useless_type_conversion (tree);
1080 extern tree tree_ssa_strip_useless_type_conversions (tree);
1081 extern bool useless_type_conversion_p (tree, tree);
1082 extern bool types_compatible_p (tree, tree);
1084 /* Return the code for GIMPLE statement G. */
1086 static inline enum gimple_code
1087 gimple_code (const_gimple g)
1089 return g->gsbase.code;
1093 /* Return the GSS code used by a GIMPLE code. */
1095 static inline enum gimple_statement_structure_enum
1096 gss_for_code (enum gimple_code code)
1098 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1099 return gss_for_code_[code];
1103 /* Return which GSS code is used by GS. */
1105 static inline enum gimple_statement_structure_enum
1106 gimple_statement_structure (gimple gs)
1108 return gss_for_code (gimple_code (gs));
1112 /* Return true if statement G has sub-statements. This is only true for
1113 High GIMPLE statements. */
1116 gimple_has_substatements (gimple g)
1118 switch (gimple_code (g))
1122 case GIMPLE_EH_FILTER:
1124 case GIMPLE_OMP_FOR:
1125 case GIMPLE_OMP_MASTER:
1126 case GIMPLE_OMP_ORDERED:
1127 case GIMPLE_OMP_SECTION:
1128 case GIMPLE_OMP_PARALLEL:
1129 case GIMPLE_OMP_TASK:
1130 case GIMPLE_OMP_SECTIONS:
1131 case GIMPLE_OMP_SINGLE:
1132 case GIMPLE_OMP_CRITICAL:
1133 case GIMPLE_WITH_CLEANUP_EXPR:
1142 /* Return the basic block holding statement G. */
1144 static inline struct basic_block_def *
1145 gimple_bb (const_gimple g)
1147 return g->gsbase.bb;
1151 /* Return the lexical scope block holding statement G. */
1154 gimple_block (const_gimple g)
1156 return g->gsbase.block;
1160 /* Set BLOCK to be the lexical scope block holding statement G. */
1163 gimple_set_block (gimple g, tree block)
1165 g->gsbase.block = block;
1169 /* Return location information for statement G. */
1171 static inline location_t
1172 gimple_location (const_gimple g)
1174 return g->gsbase.location;
1177 /* Return pointer to location information for statement G. */
1179 static inline const location_t *
1180 gimple_location_ptr (const_gimple g)
1182 return &g->gsbase.location;
1186 /* Set location information for statement G. */
1189 gimple_set_location (gimple g, location_t location)
1191 g->gsbase.location = location;
1195 /* Return true if G contains location information. */
1198 gimple_has_location (const_gimple g)
1200 return gimple_location (g) != UNKNOWN_LOCATION;
1204 /* Return the file name of the location of STMT. */
1206 static inline const char *
1207 gimple_filename (const_gimple stmt)
1209 return LOCATION_FILE (gimple_location (stmt));
1213 /* Return the line number of the location of STMT. */
1216 gimple_lineno (const_gimple stmt)
1218 return LOCATION_LINE (gimple_location (stmt));
1222 /* Determine whether SEQ is a singleton. */
1225 gimple_seq_singleton_p (gimple_seq seq)
1227 return ((gimple_seq_first (seq) != NULL)
1228 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1231 /* Return true if no warnings should be emitted for statement STMT. */
1234 gimple_no_warning_p (const_gimple stmt)
1236 return stmt->gsbase.no_warning;
1239 /* Set the no_warning flag of STMT to NO_WARNING. */
1242 gimple_set_no_warning (gimple stmt, bool no_warning)
1244 stmt->gsbase.no_warning = (unsigned) no_warning;
1247 /* Set the visited status on statement STMT to VISITED_P. */
1250 gimple_set_visited (gimple stmt, bool visited_p)
1252 stmt->gsbase.visited = (unsigned) visited_p;
1256 /* Return the visited status for statement STMT. */
1259 gimple_visited_p (gimple stmt)
1261 return stmt->gsbase.visited;
1265 /* Set pass local flag PLF on statement STMT to VAL_P. */
1268 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1271 stmt->gsbase.plf |= (unsigned int) plf;
1273 stmt->gsbase.plf &= ~((unsigned int) plf);
1277 /* Return the value of pass local flag PLF on statement STMT. */
1279 static inline unsigned int
1280 gimple_plf (gimple stmt, enum plf_mask plf)
1282 return stmt->gsbase.plf & ((unsigned int) plf);
1286 /* Set the UID of statement. */
1289 gimple_set_uid (gimple g, unsigned uid)
1291 g->gsbase.uid = uid;
1295 /* Return the UID of statement. */
1297 static inline unsigned
1298 gimple_uid (const_gimple g)
1300 return g->gsbase.uid;
1304 /* Return true if GIMPLE statement G has register or memory operands. */
1307 gimple_has_ops (const_gimple g)
1309 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1313 /* Return true if GIMPLE statement G has memory operands. */
1316 gimple_has_mem_ops (const_gimple g)
1318 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1322 /* Return the set of DEF operands for statement G. */
1324 static inline struct def_optype_d *
1325 gimple_def_ops (const_gimple g)
1327 if (!gimple_has_ops (g))
1329 return g->gsops.opbase.def_ops;
1333 /* Set DEF to be the set of DEF operands for statement G. */
1336 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1338 gcc_gimple_checking_assert (gimple_has_ops (g));
1339 g->gsops.opbase.def_ops = def;
1343 /* Return the set of USE operands for statement G. */
1345 static inline struct use_optype_d *
1346 gimple_use_ops (const_gimple g)
1348 if (!gimple_has_ops (g))
1350 return g->gsops.opbase.use_ops;
1354 /* Set USE to be the set of USE operands for statement G. */
1357 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1359 gcc_gimple_checking_assert (gimple_has_ops (g));
1360 g->gsops.opbase.use_ops = use;
1364 /* Return the set of VUSE operand for statement G. */
1366 static inline use_operand_p
1367 gimple_vuse_op (const_gimple g)
1369 struct use_optype_d *ops;
1370 if (!gimple_has_mem_ops (g))
1371 return NULL_USE_OPERAND_P;
1372 ops = g->gsops.opbase.use_ops;
1374 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1375 return USE_OP_PTR (ops);
1376 return NULL_USE_OPERAND_P;
1379 /* Return the set of VDEF operand for statement G. */
1381 static inline def_operand_p
1382 gimple_vdef_op (const_gimple g)
1384 struct def_optype_d *ops;
1385 if (!gimple_has_mem_ops (g))
1386 return NULL_DEF_OPERAND_P;
1387 ops = g->gsops.opbase.def_ops;
1389 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1390 return DEF_OP_PTR (ops);
1391 return NULL_DEF_OPERAND_P;
1395 /* Return the single VUSE operand of the statement G. */
1398 gimple_vuse (const_gimple g)
1400 if (!gimple_has_mem_ops (g))
1402 return g->gsmembase.vuse;
1405 /* Return the single VDEF operand of the statement G. */
1408 gimple_vdef (const_gimple g)
1410 if (!gimple_has_mem_ops (g))
1412 return g->gsmembase.vdef;
1415 /* Return the single VUSE operand of the statement G. */
1417 static inline tree *
1418 gimple_vuse_ptr (gimple g)
1420 if (!gimple_has_mem_ops (g))
1422 return &g->gsmembase.vuse;
1425 /* Return the single VDEF operand of the statement G. */
1427 static inline tree *
1428 gimple_vdef_ptr (gimple g)
1430 if (!gimple_has_mem_ops (g))
1432 return &g->gsmembase.vdef;
1435 /* Set the single VUSE operand of the statement G. */
1438 gimple_set_vuse (gimple g, tree vuse)
1440 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1441 g->gsmembase.vuse = vuse;
1444 /* Set the single VDEF operand of the statement G. */
1447 gimple_set_vdef (gimple g, tree vdef)
1449 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1450 g->gsmembase.vdef = vdef;
1454 /* Return true if statement G has operands and the modified field has
1458 gimple_modified_p (const_gimple g)
1460 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1464 /* Return the tree code for the expression computed by STMT. This is
1465 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1466 GIMPLE_CALL, return CALL_EXPR as the expression code for
1467 consistency. This is useful when the caller needs to deal with the
1468 three kinds of computation that GIMPLE supports. */
1470 static inline enum tree_code
1471 gimple_expr_code (const_gimple stmt)
1473 enum gimple_code code = gimple_code (stmt);
1474 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1475 return (enum tree_code) stmt->gsbase.subcode;
1478 gcc_gimple_checking_assert (code == GIMPLE_CALL);
1484 /* Mark statement S as modified, and update it. */
1487 update_stmt (gimple s)
1489 if (gimple_has_ops (s))
1491 gimple_set_modified (s, true);
1492 update_stmt_operands (s);
1496 /* Update statement S if it has been optimized. */
1499 update_stmt_if_modified (gimple s)
1501 if (gimple_modified_p (s))
1502 update_stmt_operands (s);
1505 /* Return true if statement STMT contains volatile operands. */
1508 gimple_has_volatile_ops (const_gimple stmt)
1510 if (gimple_has_mem_ops (stmt))
1511 return stmt->gsbase.has_volatile_ops;
1517 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1520 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1522 if (gimple_has_mem_ops (stmt))
1523 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1527 /* Return true if statement STMT may access memory. */
1530 gimple_references_memory_p (gimple stmt)
1532 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1536 /* Return the subcode for OMP statement S. */
1538 static inline unsigned
1539 gimple_omp_subcode (const_gimple s)
1541 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1542 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1543 return s->gsbase.subcode;
1546 /* Set the subcode for OMP statement S to SUBCODE. */
1549 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1551 /* We only have 16 bits for the subcode. Assert that we are not
1553 gcc_gimple_checking_assert (subcode < (1 << 16));
1554 s->gsbase.subcode = subcode;
1557 /* Set the nowait flag on OMP_RETURN statement S. */
1560 gimple_omp_return_set_nowait (gimple s)
1562 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1563 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1567 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1571 gimple_omp_return_nowait_p (const_gimple g)
1573 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1574 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1578 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1582 gimple_omp_section_last_p (const_gimple g)
1584 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1585 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1589 /* Set the GF_OMP_SECTION_LAST flag on G. */
1592 gimple_omp_section_set_last (gimple g)
1594 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1595 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1599 /* Return true if OMP parallel statement G has the
1600 GF_OMP_PARALLEL_COMBINED flag set. */
1603 gimple_omp_parallel_combined_p (const_gimple g)
1605 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1606 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1610 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1611 value of COMBINED_P. */
1614 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1616 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1618 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1620 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1624 /* Return the number of operands for statement GS. */
1626 static inline unsigned
1627 gimple_num_ops (const_gimple gs)
1629 return gs->gsbase.num_ops;
1633 /* Set the number of operands for statement GS. */
1636 gimple_set_num_ops (gimple gs, unsigned num_ops)
1638 gs->gsbase.num_ops = num_ops;
1642 /* Return the array of operands for statement GS. */
1644 static inline tree *
1645 gimple_ops (gimple gs)
1649 /* All the tuples have their operand vector at the very bottom
1650 of the structure. Note that those structures that do not
1651 have an operand vector have a zero offset. */
1652 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1653 gcc_gimple_checking_assert (off != 0);
1655 return (tree *) ((char *) gs + off);
1659 /* Return operand I for statement GS. */
1662 gimple_op (const_gimple gs, unsigned i)
1664 if (gimple_has_ops (gs))
1666 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1667 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1673 /* Return a pointer to operand I for statement GS. */
1675 static inline tree *
1676 gimple_op_ptr (const_gimple gs, unsigned i)
1678 if (gimple_has_ops (gs))
1680 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1681 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1687 /* Set operand I of statement GS to OP. */
1690 gimple_set_op (gimple gs, unsigned i, tree op)
1692 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1694 /* Note. It may be tempting to assert that OP matches
1695 is_gimple_operand, but that would be wrong. Different tuples
1696 accept slightly different sets of tree operands. Each caller
1697 should perform its own validation. */
1698 gimple_ops (gs)[i] = op;
1701 /* Return true if GS is a GIMPLE_ASSIGN. */
1704 is_gimple_assign (const_gimple gs)
1706 return gimple_code (gs) == GIMPLE_ASSIGN;
1709 /* Determine if expression CODE is one of the valid expressions that can
1710 be used on the RHS of GIMPLE assignments. */
1712 static inline enum gimple_rhs_class
1713 get_gimple_rhs_class (enum tree_code code)
1715 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1718 /* Return the LHS of assignment statement GS. */
1721 gimple_assign_lhs (const_gimple gs)
1723 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1724 return gimple_op (gs, 0);
1728 /* Return a pointer to the LHS of assignment statement GS. */
1730 static inline tree *
1731 gimple_assign_lhs_ptr (const_gimple gs)
1733 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1734 return gimple_op_ptr (gs, 0);
1738 /* Set LHS to be the LHS operand of assignment statement GS. */
1741 gimple_assign_set_lhs (gimple gs, tree lhs)
1743 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1744 gimple_set_op (gs, 0, lhs);
1746 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1747 SSA_NAME_DEF_STMT (lhs) = gs;
1751 /* Return the first operand on the RHS of assignment statement GS. */
1754 gimple_assign_rhs1 (const_gimple gs)
1756 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1757 return gimple_op (gs, 1);
1761 /* Return a pointer to the first operand on the RHS of assignment
1764 static inline tree *
1765 gimple_assign_rhs1_ptr (const_gimple gs)
1767 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1768 return gimple_op_ptr (gs, 1);
1771 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1774 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1776 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1778 gimple_set_op (gs, 1, rhs);
1782 /* Return the second operand on the RHS of assignment statement GS.
1783 If GS does not have two operands, NULL is returned instead. */
1786 gimple_assign_rhs2 (const_gimple gs)
1788 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1790 if (gimple_num_ops (gs) >= 3)
1791 return gimple_op (gs, 2);
1797 /* Return a pointer to the second operand on the RHS of assignment
1800 static inline tree *
1801 gimple_assign_rhs2_ptr (const_gimple gs)
1803 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1804 return gimple_op_ptr (gs, 2);
1808 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1811 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1813 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1815 gimple_set_op (gs, 2, rhs);
1818 /* Return the third operand on the RHS of assignment statement GS.
1819 If GS does not have two operands, NULL is returned instead. */
1822 gimple_assign_rhs3 (const_gimple gs)
1824 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1826 if (gimple_num_ops (gs) >= 4)
1827 return gimple_op (gs, 3);
1832 /* Return a pointer to the third operand on the RHS of assignment
1835 static inline tree *
1836 gimple_assign_rhs3_ptr (const_gimple gs)
1838 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1839 return gimple_op_ptr (gs, 3);
1843 /* Set RHS to be the third operand on the RHS of assignment statement GS. */
1846 gimple_assign_set_rhs3 (gimple gs, tree rhs)
1848 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1850 gimple_set_op (gs, 3, rhs);
1853 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect
1854 to see only a maximum of two operands. */
1857 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
1860 gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL);
1863 /* A wrapper around extract_ops_from_tree_1, for callers which expect
1864 to see only a maximum of two operands. */
1867 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0,
1871 extract_ops_from_tree_1 (expr, code, op0, op1, &op2);
1872 gcc_assert (op2 == NULL_TREE);
1875 /* Returns true if GS is a nontemporal move. */
1878 gimple_assign_nontemporal_move_p (const_gimple gs)
1880 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1881 return gs->gsbase.nontemporal_move;
1884 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1887 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1889 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1890 gs->gsbase.nontemporal_move = nontemporal;
1894 /* Return the code of the expression computed on the rhs of assignment
1895 statement GS. In case that the RHS is a single object, returns the
1896 tree code of the object. */
1898 static inline enum tree_code
1899 gimple_assign_rhs_code (const_gimple gs)
1901 enum tree_code code;
1902 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1904 code = (enum tree_code) gs->gsbase.subcode;
1905 /* While we initially set subcode to the TREE_CODE of the rhs for
1906 GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay
1907 in sync when we rewrite stmts into SSA form or do SSA propagations. */
1908 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1909 code = TREE_CODE (gimple_assign_rhs1 (gs));
1915 /* Set CODE to be the code for the expression computed on the RHS of
1919 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1921 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1922 s->gsbase.subcode = code;
1926 /* Return the gimple rhs class of the code of the expression computed on
1927 the rhs of assignment statement GS.
1928 This will never return GIMPLE_INVALID_RHS. */
1930 static inline enum gimple_rhs_class
1931 gimple_assign_rhs_class (const_gimple gs)
1933 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1936 /* Return true if GS is an assignment with a singleton RHS, i.e.,
1937 there is no operator associated with the assignment itself.
1938 Unlike gimple_assign_copy_p, this predicate returns true for
1939 any RHS operand, including those that perform an operation
1940 and do not have the semantics of a copy, such as COND_EXPR. */
1943 gimple_assign_single_p (gimple gs)
1945 return (is_gimple_assign (gs)
1946 && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS);
1950 /* Return true if S is a type-cast assignment. */
1953 gimple_assign_cast_p (gimple s)
1955 if (is_gimple_assign (s))
1957 enum tree_code sc = gimple_assign_rhs_code (s);
1958 return CONVERT_EXPR_CODE_P (sc)
1959 || sc == VIEW_CONVERT_EXPR
1960 || sc == FIX_TRUNC_EXPR;
1967 /* Return true if GS is a GIMPLE_CALL. */
1970 is_gimple_call (const_gimple gs)
1972 return gimple_code (gs) == GIMPLE_CALL;
1975 /* Return the LHS of call statement GS. */
1978 gimple_call_lhs (const_gimple gs)
1980 GIMPLE_CHECK (gs, GIMPLE_CALL);
1981 return gimple_op (gs, 0);
1985 /* Return a pointer to the LHS of call statement GS. */
1987 static inline tree *
1988 gimple_call_lhs_ptr (const_gimple gs)
1990 GIMPLE_CHECK (gs, GIMPLE_CALL);
1991 return gimple_op_ptr (gs, 0);
1995 /* Set LHS to be the LHS operand of call statement GS. */
1998 gimple_call_set_lhs (gimple gs, tree lhs)
2000 GIMPLE_CHECK (gs, GIMPLE_CALL);
2001 gimple_set_op (gs, 0, lhs);
2002 if (lhs && TREE_CODE (lhs) == SSA_NAME)
2003 SSA_NAME_DEF_STMT (lhs) = gs;
2007 /* Return the tree node representing the function called by call
2011 gimple_call_fn (const_gimple gs)
2013 GIMPLE_CHECK (gs, GIMPLE_CALL);
2014 return gimple_op (gs, 1);
2018 /* Return a pointer to the tree node representing the function called by call
2021 static inline tree *
2022 gimple_call_fn_ptr (const_gimple gs)
2024 GIMPLE_CHECK (gs, GIMPLE_CALL);
2025 return gimple_op_ptr (gs, 1);
2029 /* Set FN to be the function called by call statement GS. */
2032 gimple_call_set_fn (gimple gs, tree fn)
2034 GIMPLE_CHECK (gs, GIMPLE_CALL);
2035 gimple_set_op (gs, 1, fn);
2039 /* Set FNDECL to be the function called by call statement GS. */
2042 gimple_call_set_fndecl (gimple gs, tree decl)
2044 GIMPLE_CHECK (gs, GIMPLE_CALL);
2045 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
2049 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
2050 Otherwise return NULL. This function is analogous to
2051 get_callee_fndecl in tree land. */
2054 gimple_call_fndecl (const_gimple gs)
2056 tree addr = gimple_call_fn (gs);
2057 if (TREE_CODE (addr) == ADDR_EXPR)
2059 tree fndecl = TREE_OPERAND (addr, 0);
2060 if (TREE_CODE (fndecl) == MEM_REF)
2062 if (TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR
2063 && integer_zerop (TREE_OPERAND (fndecl, 1)))
2064 return TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0);
2068 return TREE_OPERAND (addr, 0);
2074 /* Return the type returned by call statement GS. */
2077 gimple_call_return_type (const_gimple gs)
2079 tree fn = gimple_call_fn (gs);
2080 tree type = TREE_TYPE (fn);
2082 /* See through the pointer. */
2083 type = TREE_TYPE (type);
2085 /* The type returned by a FUNCTION_DECL is the type of its
2087 return TREE_TYPE (type);
2091 /* Return the static chain for call statement GS. */
2094 gimple_call_chain (const_gimple gs)
2096 GIMPLE_CHECK (gs, GIMPLE_CALL);
2097 return gimple_op (gs, 2);
2101 /* Return a pointer to the static chain for call statement GS. */
2103 static inline tree *
2104 gimple_call_chain_ptr (const_gimple gs)
2106 GIMPLE_CHECK (gs, GIMPLE_CALL);
2107 return gimple_op_ptr (gs, 2);
2110 /* Set CHAIN to be the static chain for call statement GS. */
2113 gimple_call_set_chain (gimple gs, tree chain)
2115 GIMPLE_CHECK (gs, GIMPLE_CALL);
2117 gimple_set_op (gs, 2, chain);
2121 /* Return the number of arguments used by call statement GS. */
2123 static inline unsigned
2124 gimple_call_num_args (const_gimple gs)
2127 GIMPLE_CHECK (gs, GIMPLE_CALL);
2128 num_ops = gimple_num_ops (gs);
2133 /* Return the argument at position INDEX for call statement GS. */
2136 gimple_call_arg (const_gimple gs, unsigned index)
2138 GIMPLE_CHECK (gs, GIMPLE_CALL);
2139 return gimple_op (gs, index + 3);
2143 /* Return a pointer to the argument at position INDEX for call
2146 static inline tree *
2147 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2149 GIMPLE_CHECK (gs, GIMPLE_CALL);
2150 return gimple_op_ptr (gs, index + 3);
2154 /* Set ARG to be the argument at position INDEX for call statement GS. */
2157 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2159 GIMPLE_CHECK (gs, GIMPLE_CALL);
2160 gimple_set_op (gs, index + 3, arg);
2164 /* If TAIL_P is true, mark call statement S as being a tail call
2165 (i.e., a call just before the exit of a function). These calls are
2166 candidate for tail call optimization. */
2169 gimple_call_set_tail (gimple s, bool tail_p)
2171 GIMPLE_CHECK (s, GIMPLE_CALL);
2173 s->gsbase.subcode |= GF_CALL_TAILCALL;
2175 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2179 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2182 gimple_call_tail_p (gimple s)
2184 GIMPLE_CHECK (s, GIMPLE_CALL);
2185 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2189 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2192 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2194 GIMPLE_CHECK (s, GIMPLE_CALL);
2196 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2198 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2202 /* Return true if GIMPLE_CALL S cannot be inlined. */
2205 gimple_call_cannot_inline_p (gimple s)
2207 GIMPLE_CHECK (s, GIMPLE_CALL);
2208 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2212 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2213 slot optimization. This transformation uses the target of the call
2214 expansion as the return slot for calls that return in memory. */
2217 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2219 GIMPLE_CHECK (s, GIMPLE_CALL);
2220 if (return_slot_opt_p)
2221 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2223 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2227 /* Return true if S is marked for return slot optimization. */
2230 gimple_call_return_slot_opt_p (gimple s)
2232 GIMPLE_CHECK (s, GIMPLE_CALL);
2233 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2237 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2238 thunk to the thunked-to function. */
2241 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2243 GIMPLE_CHECK (s, GIMPLE_CALL);
2245 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2247 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2251 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2254 gimple_call_from_thunk_p (gimple s)
2256 GIMPLE_CHECK (s, GIMPLE_CALL);
2257 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2261 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2262 argument pack in its argument list. */
2265 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2267 GIMPLE_CHECK (s, GIMPLE_CALL);
2268 if (pass_arg_pack_p)
2269 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2271 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2275 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2276 argument pack in its argument list. */
2279 gimple_call_va_arg_pack_p (gimple s)
2281 GIMPLE_CHECK (s, GIMPLE_CALL);
2282 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2286 /* Return true if S is a noreturn call. */
2289 gimple_call_noreturn_p (gimple s)
2291 GIMPLE_CHECK (s, GIMPLE_CALL);
2292 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2296 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2297 even if the called function can throw in other cases. */
2300 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2302 GIMPLE_CHECK (s, GIMPLE_CALL);
2304 s->gsbase.subcode |= GF_CALL_NOTHROW;
2306 s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2309 /* Return true if S is a nothrow call. */
2312 gimple_call_nothrow_p (gimple s)
2314 GIMPLE_CHECK (s, GIMPLE_CALL);
2315 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2319 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2322 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2324 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2325 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2326 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2330 /* Return a pointer to the points-to solution for the set of call-used
2331 variables of the call CALL. */
2333 static inline struct pt_solution *
2334 gimple_call_use_set (gimple call)
2336 GIMPLE_CHECK (call, GIMPLE_CALL);
2337 return &call->gimple_call.call_used;
2341 /* Return a pointer to the points-to solution for the set of call-used
2342 variables of the call CALL. */
2344 static inline struct pt_solution *
2345 gimple_call_clobber_set (gimple call)
2347 GIMPLE_CHECK (call, GIMPLE_CALL);
2348 return &call->gimple_call.call_clobbered;
2352 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2356 gimple_has_lhs (gimple stmt)
2358 return (is_gimple_assign (stmt)
2359 || (is_gimple_call (stmt)
2360 && gimple_call_lhs (stmt) != NULL_TREE));
2364 /* Return the code of the predicate computed by conditional statement GS. */
2366 static inline enum tree_code
2367 gimple_cond_code (const_gimple gs)
2369 GIMPLE_CHECK (gs, GIMPLE_COND);
2370 return (enum tree_code) gs->gsbase.subcode;
2374 /* Set CODE to be the predicate code for the conditional statement GS. */
2377 gimple_cond_set_code (gimple gs, enum tree_code code)
2379 GIMPLE_CHECK (gs, GIMPLE_COND);
2380 gs->gsbase.subcode = code;
2384 /* Return the LHS of the predicate computed by conditional statement GS. */
2387 gimple_cond_lhs (const_gimple gs)
2389 GIMPLE_CHECK (gs, GIMPLE_COND);
2390 return gimple_op (gs, 0);
2393 /* Return the pointer to the LHS of the predicate computed by conditional
2396 static inline tree *
2397 gimple_cond_lhs_ptr (const_gimple gs)
2399 GIMPLE_CHECK (gs, GIMPLE_COND);
2400 return gimple_op_ptr (gs, 0);
2403 /* Set LHS to be the LHS operand of the predicate computed by
2404 conditional statement GS. */
2407 gimple_cond_set_lhs (gimple gs, tree lhs)
2409 GIMPLE_CHECK (gs, GIMPLE_COND);
2410 gimple_set_op (gs, 0, lhs);
2414 /* Return the RHS operand of the predicate computed by conditional GS. */
2417 gimple_cond_rhs (const_gimple gs)
2419 GIMPLE_CHECK (gs, GIMPLE_COND);
2420 return gimple_op (gs, 1);
2423 /* Return the pointer to the RHS operand of the predicate computed by
2426 static inline tree *
2427 gimple_cond_rhs_ptr (const_gimple gs)
2429 GIMPLE_CHECK (gs, GIMPLE_COND);
2430 return gimple_op_ptr (gs, 1);
2434 /* Set RHS to be the RHS operand of the predicate computed by
2435 conditional statement GS. */
2438 gimple_cond_set_rhs (gimple gs, tree rhs)
2440 GIMPLE_CHECK (gs, GIMPLE_COND);
2441 gimple_set_op (gs, 1, rhs);
2445 /* Return the label used by conditional statement GS when its
2446 predicate evaluates to true. */
2449 gimple_cond_true_label (const_gimple gs)
2451 GIMPLE_CHECK (gs, GIMPLE_COND);
2452 return gimple_op (gs, 2);
2456 /* Set LABEL to be the label used by conditional statement GS when its
2457 predicate evaluates to true. */
2460 gimple_cond_set_true_label (gimple gs, tree label)
2462 GIMPLE_CHECK (gs, GIMPLE_COND);
2463 gimple_set_op (gs, 2, label);
2467 /* Set LABEL to be the label used by conditional statement GS when its
2468 predicate evaluates to false. */
2471 gimple_cond_set_false_label (gimple gs, tree label)
2473 GIMPLE_CHECK (gs, GIMPLE_COND);
2474 gimple_set_op (gs, 3, label);
2478 /* Return the label used by conditional statement GS when its
2479 predicate evaluates to false. */
2482 gimple_cond_false_label (const_gimple gs)
2484 GIMPLE_CHECK (gs, GIMPLE_COND);
2485 return gimple_op (gs, 3);
2489 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2492 gimple_cond_make_false (gimple gs)
2494 gimple_cond_set_lhs (gs, boolean_true_node);
2495 gimple_cond_set_rhs (gs, boolean_false_node);
2496 gs->gsbase.subcode = EQ_EXPR;
2500 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2503 gimple_cond_make_true (gimple gs)
2505 gimple_cond_set_lhs (gs, boolean_true_node);
2506 gimple_cond_set_rhs (gs, boolean_true_node);
2507 gs->gsbase.subcode = EQ_EXPR;
2510 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2511 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2514 gimple_cond_true_p (const_gimple gs)
2516 tree lhs = gimple_cond_lhs (gs);
2517 tree rhs = gimple_cond_rhs (gs);
2518 enum tree_code code = gimple_cond_code (gs);
2520 if (lhs != boolean_true_node && lhs != boolean_false_node)
2523 if (rhs != boolean_true_node && rhs != boolean_false_node)
2526 if (code == NE_EXPR && lhs != rhs)
2529 if (code == EQ_EXPR && lhs == rhs)
2535 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2536 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2539 gimple_cond_false_p (const_gimple gs)
2541 tree lhs = gimple_cond_lhs (gs);
2542 tree rhs = gimple_cond_rhs (gs);
2543 enum tree_code code = gimple_cond_code (gs);
2545 if (lhs != boolean_true_node && lhs != boolean_false_node)
2548 if (rhs != boolean_true_node && rhs != boolean_false_node)
2551 if (code == NE_EXPR && lhs == rhs)
2554 if (code == EQ_EXPR && lhs != rhs)
2560 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2564 gimple_cond_single_var_p (gimple gs)
2566 if (gimple_cond_code (gs) == NE_EXPR
2567 && gimple_cond_rhs (gs) == boolean_false_node)
2570 if (gimple_cond_code (gs) == EQ_EXPR
2571 && gimple_cond_rhs (gs) == boolean_true_node)
2577 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2580 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2582 gimple_cond_set_code (stmt, code);
2583 gimple_cond_set_lhs (stmt, lhs);
2584 gimple_cond_set_rhs (stmt, rhs);
2587 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2590 gimple_label_label (const_gimple gs)
2592 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2593 return gimple_op (gs, 0);
2597 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2601 gimple_label_set_label (gimple gs, tree label)
2603 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2604 gimple_set_op (gs, 0, label);
2608 /* Return the destination of the unconditional jump GS. */
2611 gimple_goto_dest (const_gimple gs)
2613 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2614 return gimple_op (gs, 0);
2618 /* Set DEST to be the destination of the unconditonal jump GS. */
2621 gimple_goto_set_dest (gimple gs, tree dest)
2623 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2624 gimple_set_op (gs, 0, dest);
2628 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2631 gimple_bind_vars (const_gimple gs)
2633 GIMPLE_CHECK (gs, GIMPLE_BIND);
2634 return gs->gimple_bind.vars;
2638 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2642 gimple_bind_set_vars (gimple gs, tree vars)
2644 GIMPLE_CHECK (gs, GIMPLE_BIND);
2645 gs->gimple_bind.vars = vars;
2649 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2653 gimple_bind_append_vars (gimple gs, tree vars)
2655 GIMPLE_CHECK (gs, GIMPLE_BIND);
2656 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2660 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2662 static inline gimple_seq
2663 gimple_bind_body (gimple gs)
2665 GIMPLE_CHECK (gs, GIMPLE_BIND);
2666 return gs->gimple_bind.body;
2670 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2674 gimple_bind_set_body (gimple gs, gimple_seq seq)
2676 GIMPLE_CHECK (gs, GIMPLE_BIND);
2677 gs->gimple_bind.body = seq;
2681 /* Append a statement to the end of a GIMPLE_BIND's body. */
2684 gimple_bind_add_stmt (gimple gs, gimple stmt)
2686 GIMPLE_CHECK (gs, GIMPLE_BIND);
2687 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2691 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2694 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2696 GIMPLE_CHECK (gs, GIMPLE_BIND);
2697 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2701 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2702 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2705 gimple_bind_block (const_gimple gs)
2707 GIMPLE_CHECK (gs, GIMPLE_BIND);
2708 return gs->gimple_bind.block;
2712 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2716 gimple_bind_set_block (gimple gs, tree block)
2718 GIMPLE_CHECK (gs, GIMPLE_BIND);
2719 gcc_gimple_checking_assert (block == NULL_TREE
2720 || TREE_CODE (block) == BLOCK);
2721 gs->gimple_bind.block = block;
2725 /* Return the number of input operands for GIMPLE_ASM GS. */
2727 static inline unsigned
2728 gimple_asm_ninputs (const_gimple gs)
2730 GIMPLE_CHECK (gs, GIMPLE_ASM);
2731 return gs->gimple_asm.ni;
2735 /* Return the number of output operands for GIMPLE_ASM GS. */
2737 static inline unsigned
2738 gimple_asm_noutputs (const_gimple gs)
2740 GIMPLE_CHECK (gs, GIMPLE_ASM);
2741 return gs->gimple_asm.no;
2745 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2747 static inline unsigned
2748 gimple_asm_nclobbers (const_gimple gs)
2750 GIMPLE_CHECK (gs, GIMPLE_ASM);
2751 return gs->gimple_asm.nc;
2754 /* Return the number of label operands for GIMPLE_ASM GS. */
2756 static inline unsigned
2757 gimple_asm_nlabels (const_gimple gs)
2759 GIMPLE_CHECK (gs, GIMPLE_ASM);
2760 return gs->gimple_asm.nl;
2763 /* Return input operand INDEX of GIMPLE_ASM GS. */
2766 gimple_asm_input_op (const_gimple gs, unsigned index)
2768 GIMPLE_CHECK (gs, GIMPLE_ASM);
2769 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2770 return gimple_op (gs, index);
2773 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2775 static inline tree *
2776 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2778 GIMPLE_CHECK (gs, GIMPLE_ASM);
2779 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2780 return gimple_op_ptr (gs, index);
2784 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2787 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2789 GIMPLE_CHECK (gs, GIMPLE_ASM);
2790 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni
2791 && TREE_CODE (in_op) == TREE_LIST);
2792 gimple_set_op (gs, index, in_op);
2796 /* Return output operand INDEX of GIMPLE_ASM GS. */
2799 gimple_asm_output_op (const_gimple gs, unsigned index)
2801 GIMPLE_CHECK (gs, GIMPLE_ASM);
2802 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2803 return gimple_op (gs, index + gs->gimple_asm.ni);
2806 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2808 static inline tree *
2809 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2811 GIMPLE_CHECK (gs, GIMPLE_ASM);
2812 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2813 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2817 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2820 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2822 GIMPLE_CHECK (gs, GIMPLE_ASM);
2823 gcc_gimple_checking_assert (index <= gs->gimple_asm.no
2824 && TREE_CODE (out_op) == TREE_LIST);
2825 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2829 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2832 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2834 GIMPLE_CHECK (gs, GIMPLE_ASM);
2835 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc);
2836 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2840 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2843 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2845 GIMPLE_CHECK (gs, GIMPLE_ASM);
2846 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc
2847 && TREE_CODE (clobber_op) == TREE_LIST);
2848 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2851 /* Return label operand INDEX of GIMPLE_ASM GS. */
2854 gimple_asm_label_op (const_gimple gs, unsigned index)
2856 GIMPLE_CHECK (gs, GIMPLE_ASM);
2857 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl);
2858 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
2861 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
2864 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
2866 GIMPLE_CHECK (gs, GIMPLE_ASM);
2867 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl
2868 && TREE_CODE (label_op) == TREE_LIST);
2869 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
2872 /* Return the string representing the assembly instruction in
2875 static inline const char *
2876 gimple_asm_string (const_gimple gs)
2878 GIMPLE_CHECK (gs, GIMPLE_ASM);
2879 return gs->gimple_asm.string;
2883 /* Return true if GS is an asm statement marked volatile. */
2886 gimple_asm_volatile_p (const_gimple gs)
2888 GIMPLE_CHECK (gs, GIMPLE_ASM);
2889 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2893 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2896 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2898 GIMPLE_CHECK (gs, GIMPLE_ASM);
2900 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2902 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2906 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2909 gimple_asm_set_input (gimple gs, bool input_p)
2911 GIMPLE_CHECK (gs, GIMPLE_ASM);
2913 gs->gsbase.subcode |= GF_ASM_INPUT;
2915 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2919 /* Return true if asm GS is an ASM_INPUT. */
2922 gimple_asm_input_p (const_gimple gs)
2924 GIMPLE_CHECK (gs, GIMPLE_ASM);
2925 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2929 /* Return the types handled by GIMPLE_CATCH statement GS. */
2932 gimple_catch_types (const_gimple gs)
2934 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2935 return gs->gimple_catch.types;
2939 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2941 static inline tree *
2942 gimple_catch_types_ptr (gimple gs)
2944 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2945 return &gs->gimple_catch.types;
2949 /* Return the GIMPLE sequence representing the body of the handler of
2950 GIMPLE_CATCH statement GS. */
2952 static inline gimple_seq
2953 gimple_catch_handler (gimple gs)
2955 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2956 return gs->gimple_catch.handler;
2960 /* Return a pointer to the GIMPLE sequence representing the body of
2961 the handler of GIMPLE_CATCH statement GS. */
2963 static inline gimple_seq *
2964 gimple_catch_handler_ptr (gimple gs)
2966 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2967 return &gs->gimple_catch.handler;
2971 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2974 gimple_catch_set_types (gimple gs, tree t)
2976 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2977 gs->gimple_catch.types = t;
2981 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2984 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2986 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2987 gs->gimple_catch.handler = handler;
2991 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2994 gimple_eh_filter_types (const_gimple gs)
2996 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2997 return gs->gimple_eh_filter.types;
3001 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
3004 static inline tree *
3005 gimple_eh_filter_types_ptr (gimple gs)
3007 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3008 return &gs->gimple_eh_filter.types;
3012 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
3015 static inline gimple_seq
3016 gimple_eh_filter_failure (gimple gs)
3018 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3019 return gs->gimple_eh_filter.failure;
3023 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
3026 gimple_eh_filter_set_types (gimple gs, tree types)
3028 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3029 gs->gimple_eh_filter.types = types;
3033 /* Set FAILURE to be the sequence of statements to execute on failure
3034 for GIMPLE_EH_FILTER GS. */
3037 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
3039 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3040 gs->gimple_eh_filter.failure = failure;
3043 /* Get the function decl to be called by the MUST_NOT_THROW region. */
3046 gimple_eh_must_not_throw_fndecl (gimple gs)
3048 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3049 return gs->gimple_eh_mnt.fndecl;
3052 /* Set the function decl to be called by GS to DECL. */
3055 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
3057 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3058 gs->gimple_eh_mnt.fndecl = decl;
3062 /* GIMPLE_TRY accessors. */
3064 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
3065 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
3067 static inline enum gimple_try_flags
3068 gimple_try_kind (const_gimple gs)
3070 GIMPLE_CHECK (gs, GIMPLE_TRY);
3071 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
3075 /* Set the kind of try block represented by GIMPLE_TRY GS. */
3078 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
3080 GIMPLE_CHECK (gs, GIMPLE_TRY);
3081 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH
3082 || kind == GIMPLE_TRY_FINALLY);
3083 if (gimple_try_kind (gs) != kind)
3084 gs->gsbase.subcode = (unsigned int) kind;
3088 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3091 gimple_try_catch_is_cleanup (const_gimple gs)
3093 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3094 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3098 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
3100 static inline gimple_seq
3101 gimple_try_eval (gimple gs)
3103 GIMPLE_CHECK (gs, GIMPLE_TRY);
3104 return gs->gimple_try.eval;
3108 /* Return the sequence of statements used as the cleanup body for
3111 static inline gimple_seq
3112 gimple_try_cleanup (gimple gs)
3114 GIMPLE_CHECK (gs, GIMPLE_TRY);
3115 return gs->gimple_try.cleanup;
3119 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3122 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3124 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3125 if (catch_is_cleanup)
3126 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3128 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3132 /* Set EVAL to be the sequence of statements to use as the body for
3136 gimple_try_set_eval (gimple gs, gimple_seq eval)
3138 GIMPLE_CHECK (gs, GIMPLE_TRY);
3139 gs->gimple_try.eval = eval;
3143 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3144 body for GIMPLE_TRY GS. */
3147 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3149 GIMPLE_CHECK (gs, GIMPLE_TRY);
3150 gs->gimple_try.cleanup = cleanup;
3154 /* Return the cleanup sequence for cleanup statement GS. */
3156 static inline gimple_seq
3157 gimple_wce_cleanup (gimple gs)
3159 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3160 return gs->gimple_wce.cleanup;
3164 /* Set CLEANUP to be the cleanup sequence for GS. */
3167 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3169 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3170 gs->gimple_wce.cleanup = cleanup;
3174 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3177 gimple_wce_cleanup_eh_only (const_gimple gs)
3179 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3180 return gs->gsbase.subcode != 0;
3184 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3187 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3189 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3190 gs->gsbase.subcode = (unsigned int) eh_only_p;
3194 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3196 static inline unsigned
3197 gimple_phi_capacity (const_gimple gs)
3199 GIMPLE_CHECK (gs, GIMPLE_PHI);
3200 return gs->gimple_phi.capacity;
3204 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3205 be exactly the number of incoming edges for the basic block holding
3208 static inline unsigned
3209 gimple_phi_num_args (const_gimple gs)
3211 GIMPLE_CHECK (gs, GIMPLE_PHI);
3212 return gs->gimple_phi.nargs;
3216 /* Return the SSA name created by GIMPLE_PHI GS. */
3219 gimple_phi_result (const_gimple gs)
3221 GIMPLE_CHECK (gs, GIMPLE_PHI);
3222 return gs->gimple_phi.result;
3225 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3227 static inline tree *
3228 gimple_phi_result_ptr (gimple gs)
3230 GIMPLE_CHECK (gs, GIMPLE_PHI);
3231 return &gs->gimple_phi.result;
3234 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3237 gimple_phi_set_result (gimple gs, tree result)
3239 GIMPLE_CHECK (gs, GIMPLE_PHI);
3240 gs->gimple_phi.result = result;
3244 /* Return the PHI argument corresponding to incoming edge INDEX for
3247 static inline struct phi_arg_d *
3248 gimple_phi_arg (gimple gs, unsigned index)
3250 GIMPLE_CHECK (gs, GIMPLE_PHI);
3251 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity);
3252 return &(gs->gimple_phi.args[index]);
3255 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3256 for GIMPLE_PHI GS. */
3259 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3261 GIMPLE_CHECK (gs, GIMPLE_PHI);
3262 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs);
3263 gs->gimple_phi.args[index] = *phiarg;
3266 /* Return the region number for GIMPLE_RESX GS. */
3269 gimple_resx_region (const_gimple gs)
3271 GIMPLE_CHECK (gs, GIMPLE_RESX);
3272 return gs->gimple_eh_ctrl.region;
3275 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3278 gimple_resx_set_region (gimple gs, int region)
3280 GIMPLE_CHECK (gs, GIMPLE_RESX);
3281 gs->gimple_eh_ctrl.region = region;
3284 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3287 gimple_eh_dispatch_region (const_gimple gs)
3289 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3290 return gs->gimple_eh_ctrl.region;
3293 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3296 gimple_eh_dispatch_set_region (gimple gs, int region)
3298 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3299 gs->gimple_eh_ctrl.region = region;
3302 /* Return the number of labels associated with the switch statement GS. */
3304 static inline unsigned
3305 gimple_switch_num_labels (const_gimple gs)
3308 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3309 num_ops = gimple_num_ops (gs);
3310 gcc_gimple_checking_assert (num_ops > 1);
3315 /* Set NLABELS to be the number of labels for the switch statement GS. */
3318 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3320 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3321 gimple_set_num_ops (g, nlabels + 1);
3325 /* Return the index variable used by the switch statement GS. */
3328 gimple_switch_index (const_gimple gs)
3330 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3331 return gimple_op (gs, 0);
3335 /* Return a pointer to the index variable for the switch statement GS. */
3337 static inline tree *
3338 gimple_switch_index_ptr (const_gimple gs)
3340 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3341 return gimple_op_ptr (gs, 0);
3345 /* Set INDEX to be the index variable for switch statement GS. */
3348 gimple_switch_set_index (gimple gs, tree index)
3350 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3351 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3352 gimple_set_op (gs, 0, index);
3356 /* Return the label numbered INDEX. The default label is 0, followed by any
3357 labels in a switch statement. */
3360 gimple_switch_label (const_gimple gs, unsigned index)
3362 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3363 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1);
3364 return gimple_op (gs, index + 1);
3367 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3370 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3372 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3373 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1
3374 && (label == NULL_TREE
3375 || TREE_CODE (label) == CASE_LABEL_EXPR));
3376 gimple_set_op (gs, index + 1, label);
3379 /* Return the default label for a switch statement. */
3382 gimple_switch_default_label (const_gimple gs)
3384 return gimple_switch_label (gs, 0);
3387 /* Set the default label for a switch statement. */
3390 gimple_switch_set_default_label (gimple gs, tree label)
3392 gimple_switch_set_label (gs, 0, label);
3395 /* Return true if GS is a GIMPLE_DEBUG statement. */
3398 is_gimple_debug (const_gimple gs)
3400 return gimple_code (gs) == GIMPLE_DEBUG;
3403 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3406 gimple_debug_bind_p (const_gimple s)
3408 if (is_gimple_debug (s))
3409 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3414 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3417 gimple_debug_bind_get_var (gimple dbg)
3419 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3420 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3421 return gimple_op (dbg, 0);
3424 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3428 gimple_debug_bind_get_value (gimple dbg)
3430 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3431 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3432 return gimple_op (dbg, 1);
3435 /* Return a pointer to the value bound to the variable in a
3436 GIMPLE_DEBUG bind statement. */
3438 static inline tree *
3439 gimple_debug_bind_get_value_ptr (gimple dbg)
3441 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3442 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3443 return gimple_op_ptr (dbg, 1);
3446 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3449 gimple_debug_bind_set_var (gimple dbg, tree var)
3451 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3452 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3453 gimple_set_op (dbg, 0, var);
3456 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3460 gimple_debug_bind_set_value (gimple dbg, tree value)
3462 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3463 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3464 gimple_set_op (dbg, 1, value);
3467 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3469 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3471 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3475 gimple_debug_bind_reset_value (gimple dbg)
3477 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3478 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3479 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3482 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3486 gimple_debug_bind_has_value_p (gimple dbg)
3488 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3489 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3490 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3493 #undef GIMPLE_DEBUG_BIND_NOVALUE
3495 /* Return the body for the OMP statement GS. */
3497 static inline gimple_seq
3498 gimple_omp_body (gimple gs)
3500 return gs->omp.body;
3503 /* Set BODY to be the body for the OMP statement GS. */
3506 gimple_omp_set_body (gimple gs, gimple_seq body)
3508 gs->omp.body = body;
3512 /* Return the name associated with OMP_CRITICAL statement GS. */
3515 gimple_omp_critical_name (const_gimple gs)
3517 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3518 return gs->gimple_omp_critical.name;
3522 /* Return a pointer to the name associated with OMP critical statement GS. */
3524 static inline tree *
3525 gimple_omp_critical_name_ptr (gimple gs)
3527 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3528 return &gs->gimple_omp_critical.name;
3532 /* Set NAME to be the name associated with OMP critical statement GS. */
3535 gimple_omp_critical_set_name (gimple gs, tree name)
3537 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3538 gs->gimple_omp_critical.name = name;
3542 /* Return the clauses associated with OMP_FOR GS. */
3545 gimple_omp_for_clauses (const_gimple gs)
3547 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3548 return gs->gimple_omp_for.clauses;
3552 /* Return a pointer to the OMP_FOR GS. */
3554 static inline tree *
3555 gimple_omp_for_clauses_ptr (gimple gs)
3557 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3558 return &gs->gimple_omp_for.clauses;
3562 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3565 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3567 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3568 gs->gimple_omp_for.clauses = clauses;
3572 /* Get the collapse count of OMP_FOR GS. */
3574 static inline size_t
3575 gimple_omp_for_collapse (gimple gs)
3577 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3578 return gs->gimple_omp_for.collapse;
3582 /* Return the index variable for OMP_FOR GS. */
3585 gimple_omp_for_index (const_gimple gs, size_t i)
3587 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3588 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3589 return gs->gimple_omp_for.iter[i].index;
3593 /* Return a pointer to the index variable for OMP_FOR GS. */
3595 static inline tree *
3596 gimple_omp_for_index_ptr (gimple gs, size_t i)
3598 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3599 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3600 return &gs->gimple_omp_for.iter[i].index;
3604 /* Set INDEX to be the index variable for OMP_FOR GS. */
3607 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3609 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3610 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3611 gs->gimple_omp_for.iter[i].index = index;
3615 /* Return the initial value for OMP_FOR GS. */
3618 gimple_omp_for_initial (const_gimple gs, size_t i)
3620 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3621 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3622 return gs->gimple_omp_for.iter[i].initial;
3626 /* Return a pointer to the initial value for OMP_FOR GS. */
3628 static inline tree *
3629 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3631 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3632 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3633 return &gs->gimple_omp_for.iter[i].initial;
3637 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3640 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3642 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3643 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3644 gs->gimple_omp_for.iter[i].initial = initial;
3648 /* Return the final value for OMP_FOR GS. */
3651 gimple_omp_for_final (const_gimple gs, size_t i)
3653 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3654 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3655 return gs->gimple_omp_for.iter[i].final;
3659 /* Return a pointer to the final value for OMP_FOR GS. */
3661 static inline tree *
3662 gimple_omp_for_final_ptr (gimple gs, size_t i)
3664 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3665 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3666 return &gs->gimple_omp_for.iter[i].final;
3670 /* Set FINAL to be the final value for OMP_FOR GS. */
3673 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3675 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3676 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3677 gs->gimple_omp_for.iter[i].final = final;
3681 /* Return the increment value for OMP_FOR GS. */
3684 gimple_omp_for_incr (const_gimple gs, size_t i)
3686 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3687 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3688 return gs->gimple_omp_for.iter[i].incr;
3692 /* Return a pointer to the increment value for OMP_FOR GS. */
3694 static inline tree *
3695 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3697 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3698 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3699 return &gs->gimple_omp_for.iter[i].incr;
3703 /* Set INCR to be the increment value for OMP_FOR GS. */
3706 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3708 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3709 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3710 gs->gimple_omp_for.iter[i].incr = incr;
3714 /* Return the sequence of statements to execute before the OMP_FOR
3715 statement GS starts. */
3717 static inline gimple_seq
3718 gimple_omp_for_pre_body (gimple gs)
3720 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3721 return gs->gimple_omp_for.pre_body;
3725 /* Set PRE_BODY to be the sequence of statements to execute before the
3726 OMP_FOR statement GS starts. */
3729 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3731 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3732 gs->gimple_omp_for.pre_body = pre_body;
3736 /* Return the clauses associated with OMP_PARALLEL GS. */
3739 gimple_omp_parallel_clauses (const_gimple gs)
3741 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3742 return gs->gimple_omp_parallel.clauses;
3746 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3748 static inline tree *
3749 gimple_omp_parallel_clauses_ptr (gimple gs)
3751 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3752 return &gs->gimple_omp_parallel.clauses;
3756 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3760 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3762 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3763 gs->gimple_omp_parallel.clauses = clauses;
3767 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3770 gimple_omp_parallel_child_fn (const_gimple gs)
3772 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3773 return gs->gimple_omp_parallel.child_fn;
3776 /* Return a pointer to the child function used to hold the body of
3779 static inline tree *
3780 gimple_omp_parallel_child_fn_ptr (gimple gs)
3782 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3783 return &gs->gimple_omp_parallel.child_fn;
3787 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3790 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3792 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3793 gs->gimple_omp_parallel.child_fn = child_fn;
3797 /* Return the artificial argument used to send variables and values
3798 from the parent to the children threads in OMP_PARALLEL GS. */
3801 gimple_omp_parallel_data_arg (const_gimple gs)
3803 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3804 return gs->gimple_omp_parallel.data_arg;
3808 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3810 static inline tree *
3811 gimple_omp_parallel_data_arg_ptr (gimple gs)
3813 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3814 return &gs->gimple_omp_parallel.data_arg;
3818 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3821 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3823 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3824 gs->gimple_omp_parallel.data_arg = data_arg;
3828 /* Return the clauses associated with OMP_TASK GS. */
3831 gimple_omp_task_clauses (const_gimple gs)
3833 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3834 return gs->gimple_omp_parallel.clauses;
3838 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3840 static inline tree *
3841 gimple_omp_task_clauses_ptr (gimple gs)
3843 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3844 return &gs->gimple_omp_parallel.clauses;
3848 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3852 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3854 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3855 gs->gimple_omp_parallel.clauses = clauses;
3859 /* Return the child function used to hold the body of OMP_TASK GS. */
3862 gimple_omp_task_child_fn (const_gimple gs)
3864 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3865 return gs->gimple_omp_parallel.child_fn;
3868 /* Return a pointer to the child function used to hold the body of
3871 static inline tree *
3872 gimple_omp_task_child_fn_ptr (gimple gs)
3874 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3875 return &gs->gimple_omp_parallel.child_fn;
3879 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3882 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3884 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3885 gs->gimple_omp_parallel.child_fn = child_fn;
3889 /* Return the artificial argument used to send variables and values
3890 from the parent to the children threads in OMP_TASK GS. */
3893 gimple_omp_task_data_arg (const_gimple gs)
3895 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3896 return gs->gimple_omp_parallel.data_arg;
3900 /* Return a pointer to the data argument for OMP_TASK GS. */
3902 static inline tree *
3903 gimple_omp_task_data_arg_ptr (gimple gs)
3905 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3906 return &gs->gimple_omp_parallel.data_arg;
3910 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3913 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3915 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3916 gs->gimple_omp_parallel.data_arg = data_arg;
3920 /* Return the clauses associated with OMP_TASK GS. */
3923 gimple_omp_taskreg_clauses (const_gimple gs)
3925 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3926 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3927 return gs->gimple_omp_parallel.clauses;
3931 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3933 static inline tree *
3934 gimple_omp_taskreg_clauses_ptr (gimple gs)
3936 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3937 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3938 return &gs->gimple_omp_parallel.clauses;
3942 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3946 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3948 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3949 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3950 gs->gimple_omp_parallel.clauses = clauses;
3954 /* Return the child function used to hold the body of OMP_TASK GS. */
3957 gimple_omp_taskreg_child_fn (const_gimple gs)
3959 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3960 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3961 return gs->gimple_omp_parallel.child_fn;
3964 /* Return a pointer to the child function used to hold the body of
3967 static inline tree *
3968 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3970 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3971 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3972 return &gs->gimple_omp_parallel.child_fn;
3976 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3979 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3981 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3982 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3983 gs->gimple_omp_parallel.child_fn = child_fn;
3987 /* Return the artificial argument used to send variables and values
3988 from the parent to the children threads in OMP_TASK GS. */
3991 gimple_omp_taskreg_data_arg (const_gimple gs)
3993 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3994 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3995 return gs->gimple_omp_parallel.data_arg;
3999 /* Return a pointer to the data argument for OMP_TASK GS. */
4001 static inline tree *
4002 gimple_omp_taskreg_data_arg_ptr (gimple gs)
4004 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4005 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4006 return &gs->gimple_omp_parallel.data_arg;
4010 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4013 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
4015 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4016 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4017 gs->gimple_omp_parallel.data_arg = data_arg;
4021 /* Return the copy function used to hold the body of OMP_TASK GS. */
4024 gimple_omp_task_copy_fn (const_gimple gs)
4026 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4027 return gs->gimple_omp_task.copy_fn;
4030 /* Return a pointer to the copy function used to hold the body of
4033 static inline tree *
4034 gimple_omp_task_copy_fn_ptr (gimple gs)
4036 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4037 return &gs->gimple_omp_task.copy_fn;
4041 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
4044 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
4046 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4047 gs->gimple_omp_task.copy_fn = copy_fn;
4051 /* Return size of the data block in bytes in OMP_TASK GS. */
4054 gimple_omp_task_arg_size (const_gimple gs)
4056 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4057 return gs->gimple_omp_task.arg_size;
4061 /* Return a pointer to the data block size for OMP_TASK GS. */
4063 static inline tree *
4064 gimple_omp_task_arg_size_ptr (gimple gs)
4066 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4067 return &gs->gimple_omp_task.arg_size;
4071 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
4074 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
4076 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4077 gs->gimple_omp_task.arg_size = arg_size;
4081 /* Return align of the data block in bytes in OMP_TASK GS. */
4084 gimple_omp_task_arg_align (const_gimple gs)
4086 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4087 return gs->gimple_omp_task.arg_align;
4091 /* Return a pointer to the data block align for OMP_TASK GS. */
4093 static inline tree *
4094 gimple_omp_task_arg_align_ptr (gimple gs)
4096 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4097 return &gs->gimple_omp_task.arg_align;
4101 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4104 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4106 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4107 gs->gimple_omp_task.arg_align = arg_align;
4111 /* Return the clauses associated with OMP_SINGLE GS. */
4114 gimple_omp_single_clauses (const_gimple gs)
4116 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4117 return gs->gimple_omp_single.clauses;
4121 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4123 static inline tree *
4124 gimple_omp_single_clauses_ptr (gimple gs)
4126 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4127 return &gs->gimple_omp_single.clauses;
4131 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4134 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4136 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4137 gs->gimple_omp_single.clauses = clauses;
4141 /* Return the clauses associated with OMP_SECTIONS GS. */
4144 gimple_omp_sections_clauses (const_gimple gs)
4146 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4147 return gs->gimple_omp_sections.clauses;
4151 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4153 static inline tree *
4154 gimple_omp_sections_clauses_ptr (gimple gs)
4156 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4157 return &gs->gimple_omp_sections.clauses;
4161 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4165 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4167 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4168 gs->gimple_omp_sections.clauses = clauses;
4172 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4176 gimple_omp_sections_control (const_gimple gs)
4178 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4179 return gs->gimple_omp_sections.control;
4183 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4186 static inline tree *
4187 gimple_omp_sections_control_ptr (gimple gs)
4189 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4190 return &gs->gimple_omp_sections.control;
4194 /* Set CONTROL to be the set of clauses associated with the
4195 GIMPLE_OMP_SECTIONS in GS. */
4198 gimple_omp_sections_set_control (gimple gs, tree control)
4200 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4201 gs->gimple_omp_sections.control = control;
4205 /* Set COND to be the condition code for OMP_FOR GS. */
4208 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4210 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4211 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison
4212 && i < gs->gimple_omp_for.collapse);
4213 gs->gimple_omp_for.iter[i].cond = cond;
4217 /* Return the condition code associated with OMP_FOR GS. */
4219 static inline enum tree_code
4220 gimple_omp_for_cond (const_gimple gs, size_t i)
4222 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4223 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4224 return gs->gimple_omp_for.iter[i].cond;
4228 /* Set the value being stored in an atomic store. */
4231 gimple_omp_atomic_store_set_val (gimple g, tree val)
4233 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4234 g->gimple_omp_atomic_store.val = val;
4238 /* Return the value being stored in an atomic store. */
4241 gimple_omp_atomic_store_val (const_gimple g)
4243 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4244 return g->gimple_omp_atomic_store.val;
4248 /* Return a pointer to the value being stored in an atomic store. */
4250 static inline tree *
4251 gimple_omp_atomic_store_val_ptr (gimple g)
4253 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4254 return &g->gimple_omp_atomic_store.val;
4258 /* Set the LHS of an atomic load. */
4261 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4263 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4264 g->gimple_omp_atomic_load.lhs = lhs;
4268 /* Get the LHS of an atomic load. */
4271 gimple_omp_atomic_load_lhs (const_gimple g)
4273 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4274 return g->gimple_omp_atomic_load.lhs;
4278 /* Return a pointer to the LHS of an atomic load. */
4280 static inline tree *
4281 gimple_omp_atomic_load_lhs_ptr (gimple g)
4283 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4284 return &g->gimple_omp_atomic_load.lhs;
4288 /* Set the RHS of an atomic load. */
4291 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4293 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4294 g->gimple_omp_atomic_load.rhs = rhs;
4298 /* Get the RHS of an atomic load. */
4301 gimple_omp_atomic_load_rhs (const_gimple g)
4303 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4304 return g->gimple_omp_atomic_load.rhs;
4308 /* Return a pointer to the RHS of an atomic load. */
4310 static inline tree *
4311 gimple_omp_atomic_load_rhs_ptr (gimple g)
4313 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4314 return &g->gimple_omp_atomic_load.rhs;
4318 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4321 gimple_omp_continue_control_def (const_gimple g)
4323 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4324 return g->gimple_omp_continue.control_def;
4327 /* The same as above, but return the address. */
4329 static inline tree *
4330 gimple_omp_continue_control_def_ptr (gimple g)
4332 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4333 return &g->gimple_omp_continue.control_def;
4336 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4339 gimple_omp_continue_set_control_def (gimple g, tree def)
4341 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4342 g->gimple_omp_continue.control_def = def;
4346 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4349 gimple_omp_continue_control_use (const_gimple g)
4351 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4352 return g->gimple_omp_continue.control_use;
4356 /* The same as above, but return the address. */
4358 static inline tree *
4359 gimple_omp_continue_control_use_ptr (gimple g)
4361 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4362 return &g->gimple_omp_continue.control_use;
4366 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4369 gimple_omp_continue_set_control_use (gimple g, tree use)
4371 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4372 g->gimple_omp_continue.control_use = use;
4376 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4378 static inline tree *
4379 gimple_return_retval_ptr (const_gimple gs)
4381 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4382 return gimple_op_ptr (gs, 0);
4385 /* Return the return value for GIMPLE_RETURN GS. */
4388 gimple_return_retval (const_gimple gs)
4390 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4391 return gimple_op (gs, 0);
4395 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4398 gimple_return_set_retval (gimple gs, tree retval)
4400 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4401 gimple_set_op (gs, 0, retval);
4405 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4407 #define CASE_GIMPLE_OMP \
4408 case GIMPLE_OMP_PARALLEL: \
4409 case GIMPLE_OMP_TASK: \
4410 case GIMPLE_OMP_FOR: \
4411 case GIMPLE_OMP_SECTIONS: \
4412 case GIMPLE_OMP_SECTIONS_SWITCH: \
4413 case GIMPLE_OMP_SINGLE: \
4414 case GIMPLE_OMP_SECTION: \
4415 case GIMPLE_OMP_MASTER: \
4416 case GIMPLE_OMP_ORDERED: \
4417 case GIMPLE_OMP_CRITICAL: \
4418 case GIMPLE_OMP_RETURN: \
4419 case GIMPLE_OMP_ATOMIC_LOAD: \
4420 case GIMPLE_OMP_ATOMIC_STORE: \
4421 case GIMPLE_OMP_CONTINUE
4424 is_gimple_omp (const_gimple stmt)
4426 switch (gimple_code (stmt))
4436 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4439 gimple_nop_p (const_gimple g)
4441 return gimple_code (g) == GIMPLE_NOP;
4445 /* Return true if GS is a GIMPLE_RESX. */
4448 is_gimple_resx (const_gimple gs)
4450 return gimple_code (gs) == GIMPLE_RESX;
4453 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4455 static inline enum br_predictor
4456 gimple_predict_predictor (gimple gs)
4458 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4459 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4463 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4466 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4468 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4469 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4470 | (unsigned) predictor;
4474 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4476 static inline enum prediction
4477 gimple_predict_outcome (gimple gs)
4479 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4480 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4484 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4487 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4489 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4490 if (outcome == TAKEN)
4491 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4493 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4497 /* Return the type of the main expression computed by STMT. Return
4498 void_type_node if the statement computes nothing. */
4501 gimple_expr_type (const_gimple stmt)
4503 enum gimple_code code = gimple_code (stmt);
4505 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4508 /* In general we want to pass out a type that can be substituted
4509 for both the RHS and the LHS types if there is a possibly
4510 useless conversion involved. That means returning the
4511 original RHS type as far as we can reconstruct it. */
4512 if (code == GIMPLE_CALL)
4513 type = gimple_call_return_type (stmt);
4515 switch (gimple_assign_rhs_code (stmt))
4517 case POINTER_PLUS_EXPR:
4518 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4522 /* As fallback use the type of the LHS. */
4523 type = TREE_TYPE (gimple_get_lhs (stmt));
4528 else if (code == GIMPLE_COND)
4529 return boolean_type_node;
4531 return void_type_node;
4535 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4537 static inline gimple_stmt_iterator
4538 gsi_start (gimple_seq seq)
4540 gimple_stmt_iterator i;
4542 i.ptr = gimple_seq_first (seq);
4544 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4550 /* Return a new iterator pointing to the first statement in basic block BB. */
4552 static inline gimple_stmt_iterator
4553 gsi_start_bb (basic_block bb)
4555 gimple_stmt_iterator i;
4559 i.ptr = gimple_seq_first (seq);
4567 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4569 static inline gimple_stmt_iterator
4570 gsi_last (gimple_seq seq)
4572 gimple_stmt_iterator i;
4574 i.ptr = gimple_seq_last (seq);
4576 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4582 /* Return a new iterator pointing to the last statement in basic block BB. */
4584 static inline gimple_stmt_iterator
4585 gsi_last_bb (basic_block bb)
4587 gimple_stmt_iterator i;
4591 i.ptr = gimple_seq_last (seq);
4599 /* Return true if I is at the end of its sequence. */
4602 gsi_end_p (gimple_stmt_iterator i)
4604 return i.ptr == NULL;
4608 /* Return true if I is one statement before the end of its sequence. */
4611 gsi_one_before_end_p (gimple_stmt_iterator i)
4613 return i.ptr != NULL && i.ptr->next == NULL;
4617 /* Advance the iterator to the next gimple statement. */
4620 gsi_next (gimple_stmt_iterator *i)
4622 i->ptr = i->ptr->next;
4625 /* Advance the iterator to the previous gimple statement. */
4628 gsi_prev (gimple_stmt_iterator *i)
4630 i->ptr = i->ptr->prev;
4633 /* Return the current stmt. */
4635 static inline gimple
4636 gsi_stmt (gimple_stmt_iterator i)
4641 /* Return a block statement iterator that points to the first non-label
4642 statement in block BB. */
4644 static inline gimple_stmt_iterator
4645 gsi_after_labels (basic_block bb)
4647 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4649 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4655 /* Advance the iterator to the next non-debug gimple statement. */
4658 gsi_next_nondebug (gimple_stmt_iterator *i)
4664 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4667 /* Advance the iterator to the next non-debug gimple statement. */
4670 gsi_prev_nondebug (gimple_stmt_iterator *i)
4676 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4679 /* Return a new iterator pointing to the first non-debug statement in
4682 static inline gimple_stmt_iterator
4683 gsi_start_nondebug_bb (basic_block bb)
4685 gimple_stmt_iterator i = gsi_start_bb (bb);
4687 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4688 gsi_next_nondebug (&i);
4693 /* Return a new iterator pointing to the last non-debug statement in
4696 static inline gimple_stmt_iterator
4697 gsi_last_nondebug_bb (basic_block bb)
4699 gimple_stmt_iterator i = gsi_last_bb (bb);
4701 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4702 gsi_prev_nondebug (&i);
4707 /* Return a pointer to the current stmt.
4709 NOTE: You may want to use gsi_replace on the iterator itself,
4710 as this performs additional bookkeeping that will not be done
4711 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4713 static inline gimple *
4714 gsi_stmt_ptr (gimple_stmt_iterator *i)
4716 return &i->ptr->stmt;
4720 /* Return the basic block associated with this iterator. */
4722 static inline basic_block
4723 gsi_bb (gimple_stmt_iterator i)
4729 /* Return the sequence associated with this iterator. */
4731 static inline gimple_seq
4732 gsi_seq (gimple_stmt_iterator i)
4738 enum gsi_iterator_update
4740 GSI_NEW_STMT, /* Only valid when single statement is added, move
4742 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4743 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4744 for linking other statements in the same
4748 /* In gimple-iterator.c */
4749 gimple_stmt_iterator gsi_start_phis (basic_block);
4750 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4751 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4752 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4753 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4754 enum gsi_iterator_update);
4755 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4756 enum gsi_iterator_update);
4757 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4758 enum gsi_iterator_update);
4759 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4760 enum gsi_iterator_update);
4761 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4762 enum gsi_iterator_update);
4763 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4764 enum gsi_iterator_update);
4765 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4766 enum gsi_iterator_update);
4767 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4768 enum gsi_iterator_update);
4769 void gsi_remove (gimple_stmt_iterator *, bool);
4770 gimple_stmt_iterator gsi_for_stmt (gimple);
4771 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4772 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4773 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4774 void gsi_insert_on_edge (edge, gimple);
4775 void gsi_insert_seq_on_edge (edge, gimple_seq);
4776 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4777 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4778 void gsi_commit_one_edge_insert (edge, basic_block *);
4779 void gsi_commit_edge_inserts (void);
4780 gimple gimple_call_copy_skip_args (gimple, bitmap);
4783 /* Convenience routines to walk all statements of a gimple function.
4784 Note that this is useful exclusively before the code is converted
4785 into SSA form. Once the program is in SSA form, the standard
4786 operand interface should be used to analyze/modify statements. */
4787 struct walk_stmt_info
4789 /* Points to the current statement being walked. */
4790 gimple_stmt_iterator gsi;
4792 /* Additional data that the callback functions may want to carry
4793 through the recursion. */
4796 /* Pointer map used to mark visited tree nodes when calling
4797 walk_tree on each operand. If set to NULL, duplicate tree nodes
4798 will be visited more than once. */
4799 struct pointer_set_t *pset;
4801 /* Indicates whether the operand being examined may be replaced
4802 with something that matches is_gimple_val (if true) or something
4803 slightly more complicated (if false). "Something" technically
4804 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4805 but we never try to form anything more complicated than that, so
4806 we don't bother checking.
4808 Also note that CALLBACK should update this flag while walking the
4809 sub-expressions of a statement. For instance, when walking the
4810 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4811 to true, however, when walking &var, the operand of that
4812 ADDR_EXPR does not need to be a GIMPLE value. */
4815 /* True if we are currently walking the LHS of an assignment. */
4818 /* Optional. Set to true by the callback functions if they made any
4822 /* True if we're interested in location information. */
4823 bool want_locations;
4825 /* Operand returned by the callbacks. This is set when calling
4826 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4827 returns non-NULL, this field will contain the tree returned by
4828 the last callback. */
4829 tree callback_result;
4832 /* Callback for walk_gimple_stmt. Called for every statement found
4833 during traversal. The first argument points to the statement to
4834 walk. The second argument is a flag that the callback sets to
4835 'true' if it the callback handled all the operands and
4836 sub-statements of the statement (the default value of this flag is
4837 'false'). The third argument is an anonymous pointer to data
4838 to be used by the callback. */
4839 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4840 struct walk_stmt_info *);
4842 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4843 struct walk_stmt_info *);
4844 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4845 struct walk_stmt_info *);
4846 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4848 #ifdef GATHER_STATISTICS
4849 /* Enum and arrays used for allocation stats. Keep in sync with
4850 gimple.c:gimple_alloc_kind_names. */
4851 enum gimple_alloc_kind
4853 gimple_alloc_kind_assign, /* Assignments. */
4854 gimple_alloc_kind_phi, /* PHI nodes. */
4855 gimple_alloc_kind_cond, /* Conditionals. */
4856 gimple_alloc_kind_seq, /* Sequences. */
4857 gimple_alloc_kind_rest, /* Everything else. */
4858 gimple_alloc_kind_all
4861 extern int gimple_alloc_counts[];
4862 extern int gimple_alloc_sizes[];
4864 /* Return the allocation kind for a given stmt CODE. */
4865 static inline enum gimple_alloc_kind
4866 gimple_alloc_kind (enum gimple_code code)
4871 return gimple_alloc_kind_assign;
4873 return gimple_alloc_kind_phi;
4875 return gimple_alloc_kind_cond;
4877 return gimple_alloc_kind_rest;
4880 #endif /* GATHER_STATISTICS */
4882 extern void dump_gimple_statistics (void);
4884 /* In gimple-fold.c. */
4885 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
4886 tree gimple_fold_builtin (gimple);
4887 bool fold_stmt (gimple_stmt_iterator *);
4888 bool fold_stmt_inplace (gimple);
4889 tree maybe_fold_offset_to_address (location_t, tree, tree, tree);
4890 tree maybe_fold_offset_to_reference (location_t, tree, tree, tree);
4891 tree maybe_fold_stmt_addition (location_t, tree, tree, tree);
4892 tree get_symbol_constant_value (tree);
4893 tree canonicalize_constructor_val (tree);
4894 bool may_propagate_address_into_dereference (tree, tree);
4895 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
4896 enum tree_code, tree, tree);
4897 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
4898 enum tree_code, tree, tree);
4900 #endif /* GCC_GIMPLE_H */